Ruby/Rails CSV parsing, invalid byte sequence in UTF-8

Question

I am trying to parse a CSV file generated from an Excel spreadsheet.

Here is my code

require \'csv\'
file = File.open(\"input_file\")
csv = CSV.parse         


        

Answer 1

Specify the encoding with encoding option:

CSV.foreach(file.path, headers: true, encoding:'iso-8859-1:utf-8') do |row|
  ...
end